Evaluation of heavy metals in fish of the Sepetiba and Ilha Grande Bays, Rio de Janeiro, Brazil

被引:32
|
作者
Junior, RGDL
Araújo, FG
Maia, MF
Pinto, ASDB
机构
[1] Univ Fed Rural Rio De Janeiro, Lab Ecol Peixes, BR-23851970 Seropedica, RJ, Brazil
[2] FEEMA, Div Labs, BR-22780000 Rio De Janeiro, RJ, Brazil
关键词
heavy metals; fish; Sepetiba Bay; Ilha; Grande Bay; Brazil;
D O I
10.1006/enrs.2002.4341
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Muscles, gonads, and liver tissues of fish caught in Sepetiba and IIha Grande Bay were analyzed to assess levels of heavy metal concentrations of Cd, Fe, Zn, Pb, Ni, Cu, and Cr. Levels of Cr surpassed the maximum permissible concentration in muscle, followed by Zn in some species. Pb, Cu, and Cd presented concentrations above maximum permissible levels in gonads and liver only. Fe presented concentrations in viscera comparable to those of highly polluted areas, although there are no standards available for this metal. Ni was the only metal that did not present contamination in the fish tissues examined. Overall, fish caught in Sepetiba Bay showed higher metal concentrations than those from IIha Grande Bay, but the latter also presented high metal concentrations in several samples. (C) 2002 Elsevier Science (USA).
引用
收藏
页码:171 / 179
页数:9
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